/*
 * (C) Copyright 2006-2010 Nuxeo SAS (http://nuxeo.com/) and contributors.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser General Public License
 * (LGPL) version 2.1 which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl.html
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * Contributors:
 *     bstefanescu
 */
package org.nuxeo.gwt.habyt.app.client.widgets;

import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.Widget;

/**
 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
 * 
 */
public class MenuBar extends FlowPanel {

    protected boolean isGroup;

    public MenuBar() {
        this(false);
    }

    public MenuBar(boolean isGroup) {
        this.isGroup = isGroup;
    }

    public boolean isGroup() {
        return isGroup;
    }

    public Widget getSelectedWidget() {
        for (Widget w : getChildren()) {
            String style = w.getStyleName();
            if (style.startsWith("selected ") || style.endsWith(" selected")
                    || style.equals("selected") || style.contains(" selected ")) {
                return w;
            }
        }
        return null;
    }

    public void select(Widget widget) {
        if (!isGroup) {
            return;
        }
        Widget selected = getSelectedWidget();
        if (selected != widget) {
            if (selected != null) {
                selected.removeStyleName("selected");
            }
            widget.addStyleName("selected");
        }
    }

}
